Re: Protocol Specification in Lua
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- Subject: Re: Protocol Specification in Lua
- From: Alexander Gladysh <agladysh@...>
- Date: Sat, 2 Oct 2010 23:54:45 +0400
On Sat, Oct 2, 2010 at 11:33, Petr Štetiar <ynezz@true.cz> wrote:
> John Passaniti <john@japanisshinto.com> [2010年10月01日 14:53:18]:
>> The generation of code from the protocol description isn't driven by a
>> fear of the efficiency of Lua. It's driven by the fact that I don't
>> think Lua is going to be running on a 8-bit Freescale HCS08
>> microcontroller running at 24MHz anytime soon. And the larger
>> platform the C code targets is a ColdFire that has about 16k of RAM
>> left over and about twice that in ROM. Yes, I'm one of those embedded
>> systems guys who hangs out in this mailing list to remind everyone
>> that while Lua can go lots of places, it can't go everywhere.
> It's a shame, you couldn't use Lua directly. Otherwise is quite easy and
> comfortable to send just compiled Lua table along with checksum over the UDP.
> In the short something like <size><bytecode><crc> in the packet. Imagine, that
> the Lua tables can contain functions, so the possibilities of such protocol
> are endless.
It is unsafe to receive and load raw bytecode.
It is also slow.
You may be interested in my luabins module[1], which is designed with
the RPC in mind.
Alexander.
[1] -- http://github.com/agladysh/luabins (also available in LuaRocks)